All Desktop flavors of Ubuntu 18.04 LTS (Bionic Beaver) Beta 2 have been released along with Server, and Cloud products based on the next long term support release Ubuntu 18.04. Check the release announcement and Download options for Ubuntu 18.04 Beta 2.
Ubuntu 18.04 LTS (Bionic Beaver) won’t receive any new major changes or features since it already reached feature freeze on March 1st, 2018. Beta 2 brought several bug fixes and updated packages for the preinstalled applications along with the Linux Kernel 4.15.
The main Ubuntu 18.04 LTS (Bionic Beaver) is coming with Gnome desktop environment since canonical decided replacing Unity Desktop environment with Gnome Shell desktop. Ubuntu 18.04 is currently available with more desktop environments for different user experience and suitable for older hardware specifications.
If you are interested in testing and helping out to improve the upcoming releases of Ubuntu 18.04 LTS. Check the release announcement and it includes download links for Ubuntu 18.04 LTS Beta 2 flavors. But, keep in mind that this release is still under development, so please don’t use it as production environment.
Check Ubuntu documentation to guide you on how to report a bug on Ubuntu 18.04 LTS Beta 2.
According to the Ubuntu 18.04 LTS (Bionic Beaver) Release Schedule, the final release Ubuntu 18.04 LTS is expected to be released on April 26th, 2018.